Chess960 puzzles: Royal fork
A fork with check: the king must move, and the second piece is lost.
3622 puzzles
Winning blow: rook to b7 (b6·2)
Winning blow: bishop to g7 (h6·2)
Winning blow: queen to c8 (c1)
Winning blow: queen to c8 (c6)
Winning blow: queen to e5 (f4·3)
Winning blow: queen to h7 (h3)
Winning blow: queen to e7 (e2·2)
Winning blow: queen to f7 (c4)
Winning blow: queen to d8 (d4)
Winning blow: queen to f7 (f2)
Winning blow: rook to e8 (e4·2)
Attack on the uncastled king: queen to e8 (a8·2)
Winning blow: knight to g5 (f7)
Winning blow: queen to f7 (f3·3)
Attack on the uncastled king: queen to b8 (c7·3)
Winning blow: queen to e6 (e2·2)
Winning blow: rook to c6 (c4)
Winning blow: queen to c7 (g7·2)
Winning blow: queen to e7 (a7·2)
Winning blow: queen to e6 (e1)
Winning blow: bishop to f6 (a1·7)
Winning blow: queen to c6 (a4·2)
Winning blow: queen to f6 (c3·5)
Winning blow: queen to d7 (d3)
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Tactics
BatteryCheck chaseClearanceDecoyDeflectionDiscovered attackDiscovered checkDouble checkWinning exchangeBishop forkKnight forkPawn forkQueen forkRook forkHanging pieceInterferenceOverloadAbsolute pinRelative pinWin the pinned piecePromotionQueen trapQuiet moveRemove the defenderSacrifice attackSkewerTrapped pieceUnderpromotionWinning blowX-rayZwischenzug